hardware:microcontroller:esp32:install_micropython [ともやん・どっと・ねっと]

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<span class="iconify mr-1 svg-loading" data-icon="mdi:arrow-left"></span>====== ESP32 MicroPython ======

===== インストール =====
Raspberry Pi Zero で ESP32-WROVER-B に MicroPython をフラッシュする。\\
Fedora で ESP32-WROOM-32 をフラッシュする手順も追記。\\
参考: [[https://micropython-docs-ja.readthedocs.io/ja/latest/esp32/tutorial/intro.html|1. ESP32 での MicroPython の始め方 — MicroPython 1.18 ドキュメント]]\\

==== Python 仮想環境の作成 ====
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<b class=GRN>$</b> <b class=HIY>python</b> <b class=HIK>-m</b> venv pyMicroPython
<b class=GRN>$</b> . pyMicroPython/bin/<b class=HIY>activate</b>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b>
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</pre></html></WRAP>
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==== esptool のインストール ====
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<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>pip</b> install esptool
</pre></html></WRAP>
<WRAP color_result><html><pre>
Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple/
Collecting esptool
  Downloading https://www.piwheels.org/simple/esptool/esptool-3.3-py3-none-any.whl (345 kB)
     <b style="color:#87af5f;">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</b> <b class=GRN>345.0/345.0 KB</b> <b class=RED>282.0 kB/s</b> eta <b class=CYN>0:00:00</b>
Collecting pyserial>=3.0
  Downloading https://www.piwheels.org/simple/pyserial/pyserial-3.5-py2.py3-none-any.whl (90 kB)
     <b style="color:#87af5f;">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</b> <b class=GRN>90.6/90.6 KB</b> <b class=RED>109.1 kB/s</b> eta <b class=CYN>0:00:00</b>
Collecting reedsolo<=1.5.4,>=1.5.3
  Downloading https://www.piwheels.org/simple/reedsolo/reedsolo-1.5.4-cp39-cp39-linux_armv6l.whl (921 kB)
     <b style="color:#87af5f;">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</b> <b class=GRN>921.3/921.3 KB</b> <b class=RED>536.7 kB/s</b> eta <b class=CYN>0:00:00</b>
Collecting cryptography>=2.1.4
  Downloading https://www.piwheels.org/simple/cryptography/cryptography-36.0.2-cp39-cp39-linux_armv6l.whl (2.7 MB)
     <b style="color:#87af5f;">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</b> <b class=GRN>2.7/2.7 MB</b> <b class=RED>453.0 kB/s</b> eta <b class=CYN>0:00:00</b>
Collecting bitstring>=3.1.6
  Downloading https://www.piwheels.org/simple/bitstring/bitstring-3.1.9-py3-none-any.whl (39 kB)
Collecting ecdsa>=0.16.0
  Downloading https://www.piwheels.org/simple/ecdsa/ecdsa-0.17.0-py2.py3-none-any.whl (119 kB)
     <b style="color:#87af5f;">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</b> <b class=GRN>119.3/119.3 KB</b> <b class=RED>186.5 kB/s</b> eta <b class=CYN>0:00:00</b>
Requirement already satisfied: cffi>=1.12 in ./pyJupyterLab/lib/python3.9/site-packages (from cryptography>=2.1.4->esptool) (1.15.0)
Requirement already satisfied: six>=1.9.0 in ./pyJupyterLab/lib/python3.9/site-packages (from ecdsa>=0.16.0->esptool) (1.16.0)
Requirement already satisfied: pycparser in ./pyJupyterLab/lib/python3.9/site-packages (from cffi>=1.12->cryptography>=2.1.4->esptool) (2.21)
Installing collected packages: reedsolo, pyserial, bitstring, ecdsa, cryptography, esptool
Successfully installed bitstring-3.1.9 cryptography-36.0.2 ecdsa-0.17.0 esptool-3.3 pyserial-3.5 reedsolo-1.5.4
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==== ESP32 の接続ポートを確認 ====
**ESP32-WROVER-B**\\
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<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>lsusb</b>
</pre></html></WRAP>
<WRAP color_result><html><pre>
Bus 001 Device 004: ID 056e:0063 Elecom Co., Ltd Laser mouse M-SODL
Bus 001 Device 003: ID 05af:0908 Jing-Mold Enterprise Co., Ltd Wireless Keyboard
Bus 001 Device 009: ID 1a86:55d4 QinHeng Electronics USB Single Serial
Bus 001 Device 002: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
</pre></html></WRAP>

<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>lsusb</b> <b class=HIK>-t</b>
</pre></html></WRAP>
<WRAP color_result><html><pre>
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
        |__ Port 1: Dev 9, If 1, Class=CDC Data, Driver=cdc_acm, 12M
        |__ Port 1: Dev 9, If 0, Class=Communications, Driver=cdc_acm, 12M
        |__ Port 2: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
        |__ Port 2: Dev 3, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M
        |__ Port 3: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
</pre></html></WRAP>

<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>ls</b> <b class=HIK>-l</b> /dev/serial/by-path/
</pre></html></WRAP>
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total 0
lrwxrwxrwx 1 root root 13 Apr 22 14:02 platform-20980000.usb-usb-0:1.1:1.0 -> ../../ttyACM0
</pre></html></WRAP>
</WRAP>

**ESP32-WROOM-32 (cp210x)**\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>lsusb</b> <b class=HIK>-t</b>
</pre></html></WRAP>
<WRAP color_result><html><pre>
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
        |__ Port 1: Dev 3, If 0, Class=Hub, Driver=hub/4p, 480M
            |__ Port 2: Dev 5, If 0, Class=Human Interface Device, Driver=usbhid, 12M
            |__ Port 2: Dev 5, If 1, Class=Human Interface Device, Driver=usbhid, 12M
            |__ Port 2: Dev 5, If 2, Class=Human Interface Device, Driver=usbhid, 12M
        |__ Port 6: Dev 4, If 0, Class=Video, Driver=uvcvideo, 480M
        |__ Port 6: Dev 4, If 1, Class=Video, Driver=uvcvideo, 480M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
(pyMicroPython) [tomoyan@highway-x ~]$ lsusb -t
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
        |__ Port 1: Dev 3, If 0, Class=Hub, Driver=hub/4p, 480M
            |__ Port 2: Dev 5, If 0, Class=Human Interface Device, Driver=usbhid, 12M
            |__ Port 2: Dev 5, If 1, Class=Human Interface Device, Driver=usbhid, 12M
            |__ Port 2: Dev 5, If 2, Class=Human Interface Device, Driver=usbhid, 12M
            |__ Port 3: Dev 6, If 0, Class=Vendor Specific Class, Driver=<b class=DiYE>cp210x</b>, 12M
        |__ Port 6: Dev 4, If 0, Class=Video, Driver=uvcvideo, 480M
        |__ Port 6: Dev 4, If 1, Class=Video, Driver=uvcvideo, 480M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
</pre></html></WRAP>

<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>ls</b> <b class=HIK>-l</b> /dev/serial/by-path/
</pre></html></WRAP>
<WRAP color_result><html><pre>
合計 0
lrwxrwxrwx 1 root root 13 10月 18 15:37 <b class=HIC>pci-0000:00:1d.0-usb-0:1.1.3:1.0-port0</b> -> <b class=BYEL>../../ttyUSB0</b>
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==== ESP32 のフラッシュを消去 ====
**ESP32-WROVER-B**\\
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<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>esptool.py</b> <b class=HIK>--port</b> /dev/ttyACM0 erase_flash
</pre></html></WRAP>
<WRAP color_result><html><pre>
esptool.py v3.3
Serial port /dev/ttyACM0
Connecting....
Detecting chip type... Unsupported detection protocol, switching and trying again...
Connecting.....
Detecting chip type... ESP32
Chip is ESP32-D0WD (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 4c:75:25:xx:xx:xx
Uploading stub...
Running stub...
Stub running...
Erasing flash (this may take a while)...
Chip erase completed successfully in 17.8s
Hard resetting via RTS pin...
</pre></html></WRAP>
</WRAP>

**ESP32-WROOM-32**\\
※ BOOT ボタンを少し長く押し続けないと、接続に失敗するモデルもある🤔\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>esptool.py</b> <b class=HIK>--chip</b> esp32 <b class=HIK>--port</b> /dev/ttyUSB0 erase_flash
</pre></html></WRAP>
<WRAP color_result><html><pre>
esptool.py v4.3
Serial port /dev/ttyUSB0
Connecting......................
Chip is ESP32-D0WDQ6 (revision v1.0)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 7c:9e:bd:36:81:8c
Uploading stub...
Running stub...
Stub running...
Erasing flash (this may take a while)...
Chip erase completed successfully in 12.5s
Hard resetting via RTS pin...
</pre></html></WRAP>
</WRAP>

==== MicroPython ファームウェアのダウンロード ====
MicroPython のファームウェアを [[https://micropython.org/download/|MicroPython - Python for microcontrollers]] よりダウンロードする。\\
**ESP32-WROVER-B**\\
※ここでは [[https://micropython.org/download/esp32spiram/|ESP32 with SPIRAM]] の最新リリースをダウンロードする。\\
<WRAP color_term>
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<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>curl</b> <b class=HIK>-O</b> https://micropython.org/resources/firmware/esp32spiram-20220117-v1.18.bin
</pre></html></WRAP>
<WRAP color_result><html><pre>
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 1592k  100 1592k    0     0   264k      0  0:00:06  0:00:06 --:--:--  380k
</pre></html></WRAP>
</WRAP>

**ESP32-WROOM-32**\\
※ここでは [[https://micropython.org/download/esp32/|ESP32]] の最新リリースをダウンロードする。\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>curl</b> <b class=HIK>-O</b> https://micropython.org/resources/firmware/esp32-20220618-v1.19.1.bin
</pre></html></WRAP>
<WRAP color_result><html><pre>
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 1524k  100 1524k    0     0   440k      0  0:00:03  0:00:03 --:--:--  441k
</pre></html></WRAP>
</WRAP>

==== MicroPython のファームウェアを ESP32 にフラッシュ ====
**ESP32-WROVER-B**\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>esptool.py</b> <b class=HIK>--chip</b> esp32 --port /dev/ttyACM0 write_flash -z 0x1000 esp32spiram-20220117-v1.18.bin
</pre></html></WRAP>
<WRAP color_result><html><pre>
esptool.py v3.3
Serial port /dev/ttyACM0
Connecting......
Chip is ESP32-D0WD (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 4c:75:25:xx:xx:xx
Uploading stub...
Running stub...
Stub running...
Configuring flash size...
Flash will be erased from 0x00001000 to 0x0018ffff...
Compressed 1631216 bytes to 1052559...
Wrote 1631216 bytes (1052559 compressed) at 0x00001000 in 99.2 seconds (effective 131.5 kbit/s)...
Hash of data verified.

Leaving...
Hard resetting via RTS pin...
</pre></html></WRAP>
</WRAP>

**ESP32-WROOM-32**\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>esptool.py</b> <b class=HIK>--chip</b> esp32 <b class=HIK>--port</b> /dev/ttyUSB0 <b class=HIK>--baud</b> 460800 write_flash <b class=HIK>-z</b> 0x1000 esp32-20220618-v1.19.1.bin
</pre></html></WRAP>
<WRAP color_result><html><pre>
esptool.py v4.3
Serial port /dev/ttyUSB0
Connecting.........
Chip is ESP32-D0WDQ6 (revision v1.0)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 7c:9e:bd:xx:xx:xx
Uploading stub...
Running stub...
Stub running...
Changing baud rate to 460800
Changed.
Configuring flash size...
Flash will be erased from 0x00001000 to 0x0017efff...
Compressed 1560976 bytes to 1029132...
Wrote 1560976 bytes (1029132 compressed) at 0x00001000 in 24.2 seconds (effective 515.7 kbit/s)...
Hash of data verified.

Leaving...
Hard resetting via RTS pin...
</pre></html></WRAP>
</WRAP>
==== シリアルコンソールに接続する前に、ポートへのアクセス権限を設定 ====
**/dev/ttyACM0** の権限を調べる。\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>ls</b> <b class=HIK>-l</b> /dev/ttyACM0
</pre></html></WRAP>
<WRAP color_result><html><pre>
crw-rw---- 1 root dialout 166, 0 Apr 23 01:09 <b class=YEL>/dev/ttyACM0</b>
</pre></html></WRAP>
</WRAP>
または、**/dev/ttyUSB0** の権限を調べる。\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>ls</b> <b class=HIK>-l</b> /dev/ttyUSB0
</pre></html></WRAP>
<WRAP color_result><html><pre>
crw-rw---- 1 root dialout 188, 0 10月 18 16:26 <b class=YEL>/dev/ttyUSB0</b>
</pre></html></WRAP>
</WRAP>

ユーザーを **dialout** グループに所属させる。\\
[[linux:commands:manage_user_group|Linux ユーザー・グループ管理]] 参照のこと\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>id</b> dietpi
</pre></html></WRAP>
<WRAP color_result><html><pre>
uid=1000(dietpi) gid=1000(dietpi) groups=1000(dietpi)
</pre></html></WRAP>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>sudo</b> usermod <b class=HIK>-a -G</b> dialout $USER
</pre></html></WRAP>
</WRAP>

<html><code>dialout</code></html> グループへの所属を再ログインせずに反映するには <html><code>newgrp dialout</code></html> コマンドを実行する🤔\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>newgrp</b> dialout
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>id</b>
</pre></html></WRAP>
<WRAP color_result><html><pre>
uid=1000(dietpi) gid=1000(dietpi) groups=1000(dietpi),20(dialout)
</pre></html></WRAP>
</WRAP>

==== ESP32 MicroPython のシリアルコンソールに接続 ====
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>screen</b> /dev/ttyACM0 115200
</pre></html></WRAP>
<WRAP color_result><html><pre>
</pre></html></WRAP>
</WRAP>
または\\
接続後に本体の EN ボタンを押すと MicroPython バージョンが表示される🤔\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>screen</b> /dev/ttyUSB0 115200
</pre></html></WRAP>
<WRAP color_result><html><pre>
ets Jun  8 2016 00:22:57

rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0030,len:4540
ho 0 tail 12 room 4
load:0x40078000,len:12344
ho 0 tail 12 room 4
load:0x40080400,len:4124
entry 0x40080680
MicroPython v1.19.1 on 2022-06-18; ESP32 module with ESP32
Type "help()" for more information.
<b class=GRN>&gt;&gt;&gt;</b> 
</pre></html></WRAP>
</WRAP>
※接続を終了するには<html><code>Ctrl + a</code> -> <code>k</code></html> **Really kill this window [y/n]** に **y** で答える。\\

=== ESP32 MicroPython の help() ===
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=GRN>&gt;&gt;&gt;</b> <b class=HIY>help</b>()
</pre></html></WRAP>
<WRAP color_result><html><pre>
Welcome to MicroPython on the ESP32!

For generic online docs please visit http://docs.micropython.org/

For access to the hardware use the 'machine' module:

import machine
pin12 = machine.Pin(12, machine.Pin.OUT)
pin12.value(1)
pin13 = machine.Pin(13, machine.Pin.IN, machine.Pin.PULL_UP)
print(pin13.value())
i2c = machine.I2C(scl=machine.Pin(21), sda=machine.Pin(22))
i2c.scan()
i2c.writeto(addr, b'1234')
i2c.readfrom(addr, 4)

Basic WiFi configuration:

import network
sta_if = network.WLAN(network.STA_IF); sta_if.active(True)
sta_if.scan()                             # Scan for available access points
sta_if.connect("<AP_name>", "<password>") # Connect to an AP
sta_if.isconnected()                      # Check for successful connection

Control commands:
  CTRL-A        -- on a blank line, enter raw REPL mode
  CTRL-B        -- on a blank line, enter normal REPL mode
  CTRL-C        -- interrupt a running program
  CTRL-D        -- on a blank line, do a soft reset of the board
  CTRL-E        -- on a blank line, enter paste mode

For further help on a specific object, type help(obj)
For a list of available modules, type help('modules')
<b class=GRN>&gt;&gt;&gt;</b> 
</pre></html></WRAP>
</WRAP>

===== ampy - Adafruit MicroPython Tool =====
<WRAP round alert 90%>
**ampy は Adafruit が今後サポートしなくなる...🤔**\\
[[https://learn.adafruit.com/micropython-basics-load-files-and-run-code/install-ampy|MicroPython Basics: Load Files & Run Code - Adafruit]] より\\
\\
Adafruit は CircuitPython のみをサポートするので、MicroPython 用の ampy は今後メンテされない😱😇\\
ampy での実行例を載せているサイトは古い情報なので、MicroPython 公式ドキュメントに記載されている <html><code>mpremote</code></html> [[https://micropython-docs-ja.readthedocs.io/ja/latest/reference/mpremote.html|MicroPython のリモート制御: mpremote]] での操作に置き換える😉\\
<code>
The examples in this guide are no longer supported and may not work.
We are only supporting CircuitPython on our boards.
For more information about using CircuitPython, check out Welcome to CircuitPython: https://learn.adafruit.com/welcome-to-circuitpython
</code>
<code>
このガイドの例はサポートされなくなり、機能しない可能性があります。
ボードでは CircuitPython のみをサポートしています。
CircuitPython の使用に関する詳細については、CircuitPython へようこそ: https://learn.adafruit.com/welcome-to-circuitpython を参照してください。
</code>
</WRAP>

**ampy のインストール**\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>pip</b> install adafruit-ampy
</pre></html></WRAP>
<WRAP color_result><html><pre>
Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple/
Collecting adafruit-ampy
  Downloading https://www.piwheels.org/simple/adafruit-ampy/adafruit_ampy-1.1.0-py2.py3-none-any.whl (16 kB)
Collecting python-dotenv
  Downloading https://www.piwheels.org/simple/python-dotenv/python_dotenv-0.20.0-py3-none-any.whl (17 kB)
Collecting click
  Downloading https://www.piwheels.org/simple/click/click-8.1.2-py3-none-any.whl (96 kB)
     <b style="color:#87af5f;">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</b> <b class=GRN>96.6/96.6 KB</b> <b class=RED>128.8 kB/s</b> eta <b class=CYN>0:00:00</b>
Requirement already satisfied: pyserial in ./pyJupyterLab/lib/python3.9/site-packages (from adafruit-ampy) (3.5)
Installing collected packages: python-dotenv, click, adafruit-ampy
Successfully installed adafruit-ampy-1.1.0 click-8.1.2 python-dotenv-0.20.0
</pre></html></WRAP>
</WRAP>

**動作確認**\\
<WRAP color_term>

<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>ampy</b> <b class=HIK>--help</b>
</pre></html></WRAP>
<WRAP color_result><html><pre>
Usage: ampy [OPTIONS] COMMAND [ARGS]...

  ampy - Adafruit MicroPython Tool

  Ampy is a tool to control MicroPython boards over a serial connection.
  Using ampy you can manipulate files on the board's internal filesystem and
  even run scripts.

Options:
  -p, --port PORT    Name of serial port for connected board.  Can optionally
                     specify with AMPY_PORT environment variable.  [required]
  -b, --baud BAUD    Baud rate for the serial connection (default 115200).
                     Can optionally specify with AMPY_BAUD environment
                     variable.
  -d, --delay DELAY  Delay in seconds before entering RAW MODE (default 0).
                     Can optionally specify with AMPY_DELAY environment
                     variable.
  --version          Show the version and exit.
  --help             Show this message and exit.

Commands:
  get    Retrieve a file from the board.
  ls     List contents of a directory on the board.
  mkdir  Create a directory on the board.
  put    Put a file or folder and its contents on the board.
  reset  Perform soft reset/reboot of the board.
  rm     Remove a file from the board.
  rmdir  Forcefully remove a folder and all its children from the board.
  run    Run a script and print its output.
</pre></html></WRAP>
</WRAP>

**ESP32 内部のファイルを一覧表示**\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>ampy</b> <b class=HIK>--port</b> /dev/ttyACM0 ls
</pre></html></WRAP>
<WRAP color_result><html><pre>
/boot.py
</pre></html></WRAP>
</WRAP>
または\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>ampy</b> <b class=HIK>--port</b> /dev/ttyUSB0 ls
</pre></html></WRAP>
<WRAP color_result><html><pre>
/boot.py
</pre></html></WRAP>
</WRAP>

**ファイル内容の表示**\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>ampy</b> <b class=HIK>--port</b> /dev/ttyACM0 get boot.py
</pre></html></WRAP>
<WRAP color_code><code python>
# This file is executed on every boot (including wake-boot from deepsleep)
#import esp
#esp.osdebug(None)
#import webrepl
#webrepl.start()
</code></WRAP>
</WRAP>
または\\
<WRAP color_term>
<WRAP color_command><html><pre>
<b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>ampy</b> <b class=HIK>--port</b> /dev/ttyUSB0 get boot.py
</pre></html></WRAP>
<WRAP color_code><code python>
# This file is executed on every boot (including wake-boot from deepsleep)
#import esp
#esp.osdebug(None)
#import webrepl
#webrepl.start()
</code></WRAP>
</WRAP>

===== 参考文献 =====
[[https://micropython-docs-ja.readthedocs.io/ja/latest/esp32/tutorial/intro.html|1. ESP32 での MicroPython の始め方 — MicroPython 1.18 ドキュメント]]\\
[[https://wiki.archlinux.jp/index.php/%E3%82%B7%E3%83%AA%E3%82%A2%E3%83%AB%E3%82%B3%E3%83%B3%E3%82%BD%E3%83%BC%E3%83%AB|シリアルコンソール - ArchWiki]]\\
[[https://unix.stackexchange.com/questions/22545/how-to-connect-to-a-serial-port-as-simple-as-using-ssh|How to connect to a serial port as simple as using SSH?]]\\
[[https://www.digikey.jp/en/maker/projects/micropython-basics-load-files-run-code/fb1fcedaf11e4547943abfdd8ad825ce|MicroPython Basics: Load Files & Run Code]]\\
[[https://hassiweb-programming.blogspot.com/2020/02/serial-comm-on-linux.html|Linux でシリアル通信を行う方法]]\\
[[https://chakoku.hatenablog.com/entry/2019/07/20/093720|ESP32 WROVER-B を使ってみる(SPI RAM対応版 MicroPython導入) - chakokuのブログ(rev4)]]\\
[[https://technoglitz.com/japan/upip%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%97%E3%81%A6%E3%80%81micropython%E3%83%A9%E3%82%A4%E3%83%96%E3%83%A9%E3%83%AA%E3%82%92wi-fi%E7%B5%8C%E7%94%B1%E3%81%A7%E3%83%9E%E3%82%A4%E3%82%AF%E3%83%AD%E3%82%B3/|Upipを使用して、MicroPythonライブラリをWi-Fi経由でマイクロコンピュータにロードします«ヌルバイト:: WonderHowTo]]\\
[[https://micropython-docs-ja.readthedocs.io/ja/latest/esp8266/tutorial/ssd1306.html|14. SSD1306 OLED ディスプレイの使い方 — MicroPython 1.18 ドキュメント]]\\
[[https://micropython-docs-ja.readthedocs.io/ja/latest/library/machine.SDCard.html#machine.SDCard|クラス SDCard -- SD メモリカード — MicroPython 1.18 ドキュメント]]\\

==== 付録 ====
[[tw>tomoyan596/status/1517600822838067200|Arduino IDEのビルドとマイコンへのフラッシュ時間短縮したくて、ESP32でMicroPython始めました🥰Raspberry Pi ZeroからMicroPythonをフラッシュする手順をメモ✍️してあります😊]]\\
[[tw>tomoyan596/status/1519525936286539776|うちにMOSFETあったかなぁ🤔]]\\

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====== ESP32 MicroPython ======​===== インストール =====Raspberry Pi Zero で ESP32-WROVER-B に MicroPython をフラッシュする。\\Fedora で ESP32-WROOM-32 をフラッシュする手順も追記。\\参考: [[https://micropython-docs-ja.readthedocs.io/ja/latest/esp32/tutorial/intro.html|1. ESP32 での MicroPython の始め方 — MicroPython 1.18 ドキュメント]]\\​==== Python 仮想環境の作成 ====<WRAP color_term><WRAP color_command><html><pre><b class=GRN>$</b> <b class=HIY>python</b> <b class=HIK>-m</b> venv pyMicroPython<b class=GRN>$</b> . pyMicroPython/bin/<b class=HIY>activate</b><b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b></pre></html></WRAP><WRAP color_result><html><pre></pre></html></WRAP></WRAP>​==== esptool のインストール ====<WRAP color_term><WRAP color_command><html><pre><b class=YEL>(pyMicroPython)</b> <b class=GRN>$</b> <b class=HIY>pip</b> install esptool</pre></html></WRAP><WRAP color_result><html><pre>Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple/Collecting esptool  Downloading https://www.piwheels.org/simple/esptool/esptool-3.3-py3-none-any.whl (345 kB)     <b style="color:#87af5f;">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</b> <b class=GRN>345.0/345.0 KB</b> <b class=RED>282.0 kB/s</b> eta <b class=CYN>0:00:00</b>